Meaning and name origin
Gwyneth \gw(y)-ne-th\ as a girl's name is of Welsh origin, and the meaning of Gwyneth is "happiness". From "gwynaeth". Of uncertain meaning and also possibly from the Welsh district name Gwynedd, probably from "gwen" meaning "white, fair". Its use in the English-speaking world seems to have been due to the popular novelist Annie Harriet Hughes (19th century) whose pen name was Gwyneth Vaughan. Actress Gwyneth Paltrow.
Gwyneth has 23 variant forms: Cheryth, Gweneth, Gwenetta, Gwenette, Gwenisha, Gwenita, Gwenith, Gwenness, Gwenneth, Gwennetta, Gwenyth, Gwineth, Gwinneth, Gwinyth, Gwynedd, Gwynith, Gwynna, Gwynne, Gwynneth, Winnie▼, Winny, Wynne and Wynnie.
Gwyneth is a somewhat popular first name for females (#3722 out of 4276, Top 87%) but an uncommon surname or last name for all people (Source: 2000 U.S. Population Census).
Displayed below is the baby name popularity of the name Gwyneth for girls. Gwyneth reached its highest rank of #889 in the U.S. in 2013 (Source: 2014 Birth Name Statistics).
Displayed below is a comparison of the popularity of the girl name Gwyneth and its variant forms. Popular variation forms ranked in the Top 1000/100 are Gwendolyn (#420), Winnie and Gwyneth. (Source: 2014 Birth Name Statistics).